var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var index = require('./routes/index');
var users = require('./routes/users');
var catalog = require('./routes/catalog');
var compression = require('compression');

var wang = require('./routes/wang');
var wiki = require('./routes/wiki');

var app = express();


//Set up mongoose connection
var mongoose = require('mongoose');
var mongoDB = 'mongodb://127.0.0.1:27017/zhmstest';
mongoose.connect(mongoDB);
mongoose.Promise = global.Promise;
var db = mongoose.connection;
db.on('error', console.error.bind(console, 'MongoDb connection error:'));

// view engine setup
app.set('views', path.join(__dirname, 'views'));


// costome view engine template
// var fs = require('fs');
// app.engine('ntl', function (filePath, options, callback) {
//     fs.readFile(filePath, function (err, content) {
//         if (err) return callback(err)
//         // this is an extremely simple template engine
//         var rendered = content.toString().replace('#title#', '<title>' + options.title + '</title>')
//             .replace('#message#', '<h1>' + options.message + '</h1>')
//         return callback(null, rendered)
//     })
// });
// app.set('view engine', 'ntl');

app.set('view engine', 'pug');


// uncomment after placing your favicon in /public
app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
app.use(cookieParser());

app.use(compression());// Compress all routes

app.use(express.static(path.join(__dirname, 'public')));

// custom define view engine template
// app.get('/', function (req, res) {
//     res.render('template', {title: 'Hey', message: 'Hello there!'})
// });

app.use('/', index);
app.use('/users', users);
app.use('/catalog', catalog);
app.use('/wang', wang);
app.use('/wiki', wiki);


// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handler
app.use(function (err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;


















































